Tool for the Job

Reveal cards from the top of your library until you reveal an aura with enchant creature or an equipment. Exile it, then put the rest on the bottom of your library in a random order. The exiled spell gains flash and living weapon until end of turn. (When this permanent enters the battlefield, create a 0/0 black Germ creature token, then attach this permanent to it.)
Until end of turn, you may cast the exiled spell without paying it